Not really cool to edit grub.cfg. Those changes should go into /etc/default/grub.
Quote:
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GRUB_CMDLINE_LINUX="rd.md=0 rd.lvm=0 rd.dm=0 SYSFONT=True KEYTABLE=us rd.luks=0 LANG=en_US.UTF-8 rhgb quiet"
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Change that line and then run
PHP Code:
grub2-mkconfig -o /boot/grub2/grub.cfg
Reboot.
Guess this won't help much if your system won't boot. Reboot with the install DVD and reinstall grub.